COACHELLA WATER AUTHORITY
California — Community Water System — PWSID: CA3310007
System Information
| PWSID | CA3310007 |
| System Name | COACHELLA WATER AUTHORITY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | COACHELLA |
| ZIP Code | 92236 |
| Address | 53462 Enterprise Way |
| Organization | ESTRADA, CASTULO |
| Phone | 760-702-1277 |
Population & Service
| Population Served | 43,590 |
| Service Connections | 9,585 |
Drinking Water Violations (23)
This water system has 23 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2025 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Feb 18, 2025 | Ground Water Rule |
| Feb 1, 2025 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Feb 18, 2025 | Ground Water Rule |
| Nov 1, 2024 | Nov 30, 2024 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Nov 30, 2024 | Revised Total Coliform Rule |
| Nov 1, 2024 | Nov 30, 2024 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Nov 30, 2024 | Revised Total Coliform Rule |
| Feb 1, 2017 | Feb 28, 2017 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Feb 28, 2017 | Revised Total Coliform Rule |
| Feb 1, 2017 | Feb 28, 2017 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Feb 28, 2017 | Revised Total Coliform Rule |
| Apr 1, 2009 | Jun 30, 2009 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2009 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2009 | Jun 30, 2009 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2009 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2009 | Mar 31, 2009 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2009 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2009 | Mar 31, 2009 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2009 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| May 1, 2004 | May 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2004 | Total Coliform Rule |
| May 1, 2004 | May 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2004 | Total Coliform Rule |
| Jan 1, 2004 | Mar 31, 2004 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2004 | Mar 31, 2004 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 1, 1993 | Nov 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1993 | Total Coliform Rule |
| Nov 1, 1993 | Nov 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Mar 1, 1993 | Mar 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 1993 | Total Coliform Rule |
| Mar 1, 1993 | Mar 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 1993 | Total Coliform Rule |
| Feb 1, 1993 | Feb 28, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 1993 | Total Coliform Rule |
| Feb 1, 1993 | Feb 28, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 1993 | Total Coliform Rule |
| Nov 1, 1989 | Nov 30, 1989 | Other | No | No | — | — | — | Archived | Nov 30, 1989 | Miscellaneous Other Rules |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.